3934157
Mounting Spacer
Cummins®

AVAILABLE

Cummins®

Ships within 1-3 business days

$319.95 $380.74

This truck part is made by Cummins®. We guarantee that all of our parts are from the OEM (original equipment manufacturer), ensuring a proper fit and quality manufacturing.


DESCRIPTION

The Cummins 3934157 Mounting Spacer is a component designed for use in heavy-duty truck applications. Its primary role is to ensure proper alignment and spacing between various truck components, contributing to the overall efficiency and reliability of the vehicle.

Purpose and Function

The mounting spacer serves a specific function within truck assemblies by providing the necessary distance and alignment between components. This ensures that parts fit together correctly, reducing the risk of misalignment that can lead to increased wear, vibration, and potential failure. By maintaining the correct spacing, the mounting spacer helps in distributing loads evenly and ensuring that components operate within their designed parameters 1.

Design and Construction

The Cummins 3934157 Mounting Spacer is engineered with precision in mind. It is constructed from high-quality materials that offer durability and resistance to the harsh conditions often encountered in heavy-duty truck environments. The spacer’s dimensions are carefully calculated to meet specific application requirements, ensuring a perfect fit. Its design may include features such as threaded holes or smooth surfaces to facilitate easy installation and secure attachment 2.

Installation Process

Installing the Cummins 3934157 Mounting Spacer involves several steps to ensure it is correctly positioned and secured. Begin by identifying the components that require spacing. Clean the mounting surfaces to remove any debris or old adhesive. Place the spacer between the components, ensuring it is aligned properly. Use the appropriate fasteners to secure the spacer in place, taking care to apply even pressure to avoid distorting the spacer or the components it separates. Double-check the alignment and spacing to confirm that the installation meets the required specifications 3.

Benefits of Using a Mounting Spacer

Incorporating the Cummins 3934157 Mounting Spacer into truck assemblies offers several advantages. It enhances component alignment, which can lead to improved performance and reduced wear on moving parts. The spacer also helps in minimizing vibration by ensuring that components are held in their correct positions. Additionally, by maintaining proper spacing, the mounting spacer contributes to the overall durability of the truck’s mechanical systems.

Common Applications

The Cummins 3934157 Mounting Spacer is utilized in a variety of applications within heavy-duty trucks. It is commonly found in engine mounts, where it helps in securing the engine to the truck’s frame, and in transmission mounts, ensuring the transmission is properly aligned and spaced from the engine. Other applications may include use in suspension components, exhaust systems, and various other critical truck components where precise alignment and spacing are required.

Maintenance and Troubleshooting

To ensure the longevity and performance of the Cummins 3934157 Mounting Spacer, regular maintenance is recommended. Inspect the spacer during routine service checks for signs of wear, damage, or displacement. Clean the spacer and its mounting surfaces to remove any buildup that could affect its function. If the spacer shows signs of damage or if components begin to exhibit unusual wear or vibration, it may be necessary to replace the spacer. Addressing issues promptly can prevent more significant problems down the line.

Manufacturer Information

Cummins Inc. is a well-established manufacturer in the automotive industry, known for its wide range of products including engines, filtration systems, and components like the Cummins 3934157 Mounting Spacer. With a history of innovation and quality, Cummins has built a reputation for producing reliable and high-performance parts that meet the demanding requirements of heavy-duty applications.

Cummins Mounting Spacer 3934157 Compatibility

The Cummins Mounting Spacer part number 3934157 is designed to fit seamlessly with a range of Cummins engines, ensuring proper alignment and stability during operation. This mounting spacer is crucial for maintaining the integrity of engine mounts and preventing undue stress on the engine and its components.

Engine Compatibility

  • 6B5.9 Series: The 3934157 Mounting Spacer is specifically engineered to fit within the 6B5.9 engine series. This series is known for its robust performance and reliability, making it a popular choice in various industrial applications. The mounting spacer ensures that the engine mounts are correctly positioned, which is vital for the longevity and efficiency of the engine.

  • Other Cummins Engines: While the primary focus is on the 6B5.9 series, the 3934157 Mounting Spacer is also compatible with other Cummins engines that share similar mounting configurations. This versatility allows for broader application across different engine models, providing a standardized solution for engine mounting needs.

Importance of Proper Mounting

Proper engine mounting is essential for several reasons:

  • Vibration Reduction: The mounting spacer helps in minimizing engine vibrations, which can otherwise lead to premature wear and tear of engine components.

  • Noise Reduction: By ensuring that the engine is securely mounted, the spacer contributes to reducing operational noise, making the engine quieter and more efficient.

  • Alignment and Stability: The spacer ensures that the engine is correctly aligned with the vehicle or machinery it is mounted on, providing stability and preventing misalignment issues.

Installation Considerations

When installing the 3934157 Mounting Spacer, it is important to follow the manufacturer’s guidelines to ensure a proper fit and function. This includes:

  • Correct Positioning: Ensuring that the spacer is placed in the correct orientation as specified in the engine’s service manual.

  • Torque Specifications: Adhering to the recommended torque specifications to avoid over-tightening or under-tightening, which can compromise the integrity of the mounting system.

  • Regular Inspection: Periodically inspecting the mounting spacer for any signs of wear or damage, and replacing it if necessary to maintain optimal engine performance.

Role of Part 3934157 Mounting Spacer in Engine Systems

In the context of engine systems, the 3934157 Mounting Spacer serves as an essential intermediary component that ensures proper alignment and spacing between various mechanical parts.

When integrating with a solenoid kit, the Mounting Spacer facilitates the correct positioning of the solenoid relative to other components. This precise alignment is necessary for the solenoid to function effectively, ensuring that it can accurately control the flow of electricity to the valve it operates. Proper spacing provided by the Mounting Spacer prevents undue stress on the solenoid, enhancing its durability and operational efficiency.

In conjunction with a valve, the 3934157 Mounting Spacer plays a significant role in maintaining the valve’s structural integrity and operational precision. By providing the necessary distance between the valve and adjacent components, the spacer allows for unimpeded movement and reduces the likelihood of mechanical interference. This is particularly important in high-pressure environments where even minor misalignments can lead to significant performance issues.

When used with a fuel shutoff mechanism, the Mounting Spacer ensures that the shutoff valve is correctly positioned in relation to the fuel lines and other control components. This accurate placement is vital for the reliable operation of the fuel shutoff, as it ensures that the valve can open and close as intended without obstruction. The spacer also helps in distributing any vibrational forces evenly, which contributes to the longevity of the fuel shutoff system.

Overall, the 3934157 Mounting Spacer is a key component in maintaining the structural and functional harmony within engine systems, supporting the efficient operation of solenoids, valves, and fuel shutoff mechanisms.

Conclusion

The Cummins 3934157 Mounting Spacer is a critical component in heavy-duty truck applications, ensuring proper alignment and spacing between various components. Its precise design and construction contribute to the overall efficiency, reliability, and durability of the vehicle. Regular maintenance and proper installation are essential to maximize the benefits of this part, ensuring optimal performance and longevity of the truck’s mechanical systems.


  1. Genta, G., & Morello, L. (2019). The Automotive Chassis Volume 1 Components Design Mechanical Engineering Series 2nd Edition. Springer.

  2. Han, Z. (2022). Simulation and Optimization of Internal Combustion Engines. SAE International.

  3. Stone, R. (2012). Introduction to Internal Combustion Engines, Fourth Edition. Macmillan.

SPECIFICATIONS

Hazard Description
Non-Hazardous (NOI, ICE/Auto)
Package Dimensions
2.5 x 2.5 x 3.63 in
Weight
0.8 lbs
* This information is provided as is and may be out of date. Please contact us or the manufacturer to verify warranty coverage.
* Variable geometry turbocharger and electronic actuator repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after October 1, 2018.
* Diesel Oxidation Catalyst (DOC), Diesel Particulate Filter (DPF), Selective Catalyst Reduction (SCR) catalyst, and Electronic Control Module (ECM) repairs are not eligible to be claimed as over-the-counter under New or ReCon parts warranty for parts installed after January 1, 2020.
* These restrictions are only applicable to New parts and ReCon parts coverages for the components listed above sold to a customer in the US or Canada. All other coverages are excluded. All other regions are excluded.